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We only support FDT files with EFI on arm and arm64 systems, not on x86. So move the helper that finds a prepopulated FDT UUID into its own file and only build it for architectures where it also gets called. Signed-off-by: Alexander Graf <[email protected]> Reviewed-by: Daniel Kiper <[email protected]>
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/* fdt.c - EFI Flattened Device Tree interaction */ | ||
/* | ||
* GRUB -- GRand Unified Bootloader | ||
* Copyright (C) 2006,2007 Free Software Foundation, Inc. | ||
* | ||
* GRUB is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* GRUB is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with GRUB. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#include <grub/efi/efi.h> | ||
#include <grub/mm.h> | ||
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void * | ||
grub_efi_get_firmware_fdt (void) | ||
{ | ||
grub_efi_configuration_table_t *tables; | ||
grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID; | ||
void *firmware_fdt = NULL; | ||
unsigned int i; | ||
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/* Look for FDT in UEFI config tables. */ | ||
tables = grub_efi_system_table->configuration_table; | ||
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for (i = 0; i < grub_efi_system_table->num_table_entries; i++) | ||
if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0) | ||
{ | ||
firmware_fdt = tables[i].vendor_table; | ||
grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt); | ||
break; | ||
} | ||
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return firmware_fdt; | ||
} |
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